Add mark sacrifice spell

src/main/java/electroblob/wizardry/item/ItemArtefact.java

@@ -493,7 +493,7 @@ public class ItemArtefact extends Item {
 	}
 
 	@SubscribeEvent
-	public static void onSpellCastPostEvent(SpellCastEvent.Pre event){
+	public static void onSpellCastPostEvent(SpellCastEvent.Post event){
 
 		if(event.getCaster() instanceof EntityPlayer){
 

src/main/java/electroblob/wizardry/registry/Spells.java

@@ -241,6 +241,7 @@ public final class Spells {
 	// Wizardry 4.3 spells
 
 	public static final Spell blinding_flash = placeholder();
+	public static final Spell mark_sacrifice = placeholder();
 
 	public static final Spell stormcloud = placeholder();
 	public static final Spell fangs = placeholder();
@@ -452,6 +453,7 @@ public final class Spells {
 		// Wizardry 4.3 spells
 
 		registry.register(new BlindingFlash());
+		registry.register(new MarkSacrifice());
 
 		registry.register(new Stormcloud());
 		registry.register(new Fangs());

src/main/java/electroblob/wizardry/registry/WizardryPotions.java

@@ -55,6 +55,7 @@ public final class WizardryPotions {
 	public static final Potion curse_of_undeath = placeholder();
 	public static final Potion containment = placeholder();
 	public static final Potion frost_step = placeholder();
+	public static final Potion mark_of_sacrifice = placeholder();
 
 	/**
 	 * Sets both the registry and unlocalised names of the given potion, then registers it with the given registry. Use
@@ -190,6 +191,9 @@ public final class WizardryPotions {
 
 		registerPotion(registry, "frost_step", new PotionFrostStep(false, 0).setBeneficial());
 
+		registerPotion(registry, "mark_of_sacrifice", new PotionMagicEffect(true, 0xe90e48,
+				new ResourceLocation(Wizardry.MODID, "textures/gui/potion_icons/mark_of_sacrifice.png")));
+
 	}
 
 }

src/main/java/electroblob/wizardry/spell/MarkSacrifice.java

@@ -0,0 +1,71 @@
+package electroblob.wizardry.spell;
+
+import electroblob.wizardry.item.SpellActions;
+import electroblob.wizardry.registry.WizardryItems;
+import electroblob.wizardry.registry.WizardryPotions;
+import electroblob.wizardry.util.EntityUtils;
+import electroblob.wizardry.util.ParticleBuilder;
+import electroblob.wizardry.util.ParticleBuilder.Type;
+import electroblob.wizardry.util.SpellModifiers;
+import net.minecraft.entity.Entity;
+import net.minecraft.entity.EntityLivingBase;
+import net.minecraft.potion.PotionEffect;
+import net.minecraft.util.EnumFacing;
+import net.minecraft.util.math.BlockPos;
+import net.minecraft.util.math.Vec3d;
+import net.minecraft.world.World;
+import net.minecraftforge.event.entity.living.LivingHurtEvent;
+import net.minecraftforge.fml.common.Mod.EventBusSubscriber;
+import net.minecraftforge.fml.common.eventhandler.SubscribeEvent;
+
+@EventBusSubscriber
+public class MarkSacrifice extends SpellRay {
+
+	private static final float DAMAGE_INCREASE_PER_LEVEL = 0.6f;
+
+	public MarkSacrifice(){
+		super("mark_sacrifice", SpellActions.POINT, false);
+		this.soundValues(1, 1.1f, 0.2f);
+		addProperties(EFFECT_DURATION, EFFECT_STRENGTH);
+	}
+
+	@Override
+	protected boolean onEntityHit(World world, Entity target, Vec3d hit, EntityLivingBase caster, Vec3d origin, int ticksInUse, SpellModifiers modifiers){
+		
+		if(EntityUtils.isLiving(target)){
+			((EntityLivingBase)target).addPotionEffect(new PotionEffect(WizardryPotions.mark_of_sacrifice,
+					(int)(getProperty(EFFECT_DURATION).floatValue() * modifiers.get(WizardryItems.duration_upgrade)),
+					getProperty(EFFECT_STRENGTH).intValue() + SpellBuff.getStandardBonusAmplifier(modifiers.get(SpellModifiers.POTENCY))));
+		}
+		
+		return true;
+	}
+
+	@Override
+	protected boolean onBlockHit(World world, BlockPos pos, EnumFacing side, Vec3d hit, EntityLivingBase caster, Vec3d origin, int ticksInUse, SpellModifiers modifiers){
+		return false;
+	}
+
+	@Override
+	protected boolean onMiss(World world, EntityLivingBase caster, Vec3d origin, Vec3d direction, int ticksInUse, SpellModifiers modifiers){
+		return true;
+	}
+	
+	@Override
+	protected void spawnParticle(World world, double x, double y, double z, double vx, double vy, double vz){
+		ParticleBuilder.create(Type.DARK_MAGIC).pos(x, y, z).clr(0xe90e48).spawn(world);
+		ParticleBuilder.create(Type.SPARKLE).pos(x, y, z).time(12 + world.rand.nextInt(8)).clr(0xff7bbb).spawn(world);
+	}
+
+	@SubscribeEvent
+	public static void onLivingHurtEvent(LivingHurtEvent event){
+
+		PotionEffect effect = event.getEntityLiving().getActivePotionEffect(WizardryPotions.mark_of_sacrifice);
+
+		if(effect != null && event.getSource().isMagicDamage()){
+			event.setAmount(event.getAmount() * (1 + effect.getAmplifier() * DAMAGE_INCREASE_PER_LEVEL));
+			event.getEntityLiving().removePotionEffect(WizardryPotions.mark_of_sacrifice);
+		}
+	}
+
+}